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Drug Interactions between Mysoline and Viekira XR

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Major

primidone ritonavir

Applies to: Mysoline (primidone) and Viekira XR (dasabuvir / ombitasvir / paritaprevir / ritonavir)

Using ritonavir together with primidone is not recommended. Combining these medications may significantly reduce the blood levels of ritonavir, which may make it less effective in treating HIV infection. Additionally, it may lead to development of viral resistance to this and various other HIV medications that are currently used for treatment. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Major

primidone ombitasvir

Applies to: Mysoline (primidone) and Viekira XR (dasabuvir / ombitasvir / paritaprevir / ritonavir)

Using ombitasvir together with primidone is not recommended. Combining these medications may significantly reduce the blood levels of ombitasvir, which may make the medication less effective in treating hepatitis C. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Major

primidone dasabuvir

Applies to: Mysoline (primidone) and Viekira XR (dasabuvir / ombitasvir / paritaprevir / ritonavir)

Using dasabuvir together with primidone is not recommended. Combining these medications may significantly reduce the blood levels of dasabuvir, which may make the medication less effective in treating hepatitis C. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Drug and food interactions

Major

primidone food

Applies to: Mysoline (primidone)

Ask your doctor before using primidone together with ethanol, this can add to dizziness, drowsiness and other side effects of primidone. Be careful if you drive or do activities that require you to be awake and alert. Talk with your doctor before using any medications together, or drinking alcohol with primidone. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

ritonavir food

Applies to: Viekira XR (dasabuvir / ombitasvir / paritaprevir / ritonavir)

Ritonavir should be taken with food to lessen gastrointestinal side effects. It is important that you take this medication exactly as prescribed by your doctor. Do not change your treatment or stop treatment without first talking to your doctor.

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Moderate

paritaprevir food

Applies to: Viekira XR (dasabuvir / ombitasvir / paritaprevir / ritonavir)

Food significantly increases the absorption of paritaprevir. You should take each dose of paritaprevir with a meal. Taking it on an empty stomach may lead to inadequate blood levels and reduced effectiveness of the medication.

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Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.


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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.